AT136802B - Speaker. - Google Patents
Speaker.Info
- Publication number
- AT136802B AT136802B AT136802DA AT136802B AT 136802 B AT136802 B AT 136802B AT 136802D A AT136802D A AT 136802DA AT 136802 B AT136802 B AT 136802B
- Authority
- AT
- Austria
- Prior art keywords
- loudspeaker according
- points
- membranes
- several
- soft iron
- Prior art date
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
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Lautsprecher.
EMI1.1
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vorgezeichnet und ist der Weg der Wechselflüsse ausserhalb des Ankers von den ständigen Hauptt1Üssen vollkommen getrennt.
EMI2.1
Luftspalt L (Fig. 3) innerhalb der Nebenspulen sp unterbrochen werden.
Eine weitere Verbesserung des Wirkungsgrades lässt sich schliesslich noch dadurch erzielen, dass man den jeweiligen Wechselfluss im Anker in zwei oder auch mehr parallele Flüsse unterteilt. Hiefür geben die Fig. 4 und 5 ein Beispiel. Die Fig. 4 zeigt einen schematischen Schnitt quer durch den Anker, Fig. 5 einen Schnitt durch die Polschuhe parallel zum Anker.
Hier ist der Anker in parallele und in gleicher Höhe zu den Magnetpolen liegende Ankerstreifen Al, A2 unterteilt, die gemeinsam innerhalb der Hauptspule Sp schwingen. Die übrige Einrichtung entspricht den Fig. 1-3.
Die Schwingungen dieser Ankerstreifen können nun durch Verbindungsstifte od. dgl. auf mehrere Angriffspunkte einer Membran oder auch auf mehrere Membranen übertragen werden. Auch können Punkte ähnlicher oder gleicher Amplituden mehrerer Ankerstreifen beispielsweise durch einen Verbindungsbügel (Fig. 6) oder ähnliche Verbindungsstücke zum gemeinsamen Einwirken auf einen Angriffspunkt der Membran gebracht werden.
PATENT-ANSPRÜCHE :
1. Lautsprecher nach Patent Nr. 134078, bei dem die Magnetpole durch einen magnetisch isolierten Steg überbrückt sind, dadurch gekennzeichnet, dass zwischen den auf jeder Ankerseite vorgesehenen Polenden je ein gesonderter, von den Polen magnetisch isolierter Steg aus Weicheisen angeordnet ist, der die Polenden jeder Ankerseite leitend überbrückt, einen magnetischen Nebenschluss jedoch verhindert oder wenigstens auf ein unschädliches Mass herabsetzt.
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Speaker.
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and the path of the alternating flows outside the anchor is completely separated from the main constant flows.
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Air gap L (Fig. 3) are interrupted within the secondary coils sp.
A further improvement in the degree of efficiency can finally be achieved by dividing the respective alternating flow in the armature into two or more parallel flows. 4 and 5 give an example of this. FIG. 4 shows a schematic section transversely through the armature, FIG. 5 shows a section through the pole shoes parallel to the armature.
Here the armature is subdivided into armature strips A1, A2 that are parallel and at the same height as the magnetic poles and that vibrate together within the main coil Sp. The rest of the facility corresponds to FIGS. 1-3.
The vibrations of these anchor strips can now be transmitted by connecting pins or the like to several points of attack of a membrane or to several membranes. Points of similar or identical amplitudes of several anchor strips can also be brought to act jointly on a point of attack on the membrane, for example by a connecting bracket (FIG. 6) or similar connecting pieces.
PATENT CLAIMS:
1. Loudspeaker according to patent no. 134078, in which the magnetic poles are bridged by a magnetically isolated web, characterized in that a separate web made of soft iron, magnetically insulated from the poles, is arranged between the pole ends provided on each armature side, which connects the pole ends each armature side conductively bridged, a magnetic shunt prevented or at least reduced to a harmless level.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT136802T | 1931-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT136802B true AT136802B (en) | 1934-03-10 |
Family
ID=29408361
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT134078D AT134078B (en) | 1931-02-12 | 1930-07-12 | Speaker. |
AT136802D AT136802B (en) | 1931-02-12 | 1931-02-12 | Speaker. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT134078D AT134078B (en) | 1931-02-12 | 1930-07-12 | Speaker. |
Country Status (1)
Country | Link |
---|---|
AT (2) | AT134078B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3139490A (en) * | 1958-10-15 | 1964-06-30 | Lyons Philip Daniel | Sound reproducing and recording device |
-
1930
- 1930-07-12 AT AT134078D patent/AT134078B/en active
-
1931
- 1931-02-12 AT AT136802D patent/AT136802B/en active
Also Published As
Publication number | Publication date |
---|---|
AT134078B (en) | 1933-07-10 |
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